利用轴子到光子的相干转换搜索质量在1 eV附近的太阳轴子
Search for solar axions with mass around 1 eV using coherent conversion of axions into photons
摘要：
利用一台轴子日光望远镜进行了太阳轴子的探测，该望远镜配备了一个2.3m长的4 T超导磁体、一个用于容纳色散匹配气体的气体容器、PIN光电二极管X射线探测器和一个用于跟踪太阳的望远镜安装机构。新发现了m_a = 1 eV附近的质量区。在没有任何证据的情况下，分析确定了轴子-光子耦合常数的极限值为g < 5.6- 13.4 × 10 ^{-10} GeV^{-1}，轴子质量为0.84<m_a<1.00 eV，置信度为95%。这是首次用磁日镜在轴子模型的g-m_a参数范围内寻找轴子。
英文摘要：
A search for solar axions has been performed using an axion helioscope which is equipped with a 2.3m-long 4T superconducting magnet, a gas container to hold dispersion-matching gas, PIN-photodiode X-ray detectors, and a telescope mount mechanism to track the sun. A mass region around m_a = 1eV was newly explored. From the absence of any evidence, analysis sets a limit on axion-photon coupling constant to be g < 5.6-13.4x10^{-10} GeV^{-1} for the axion mass of 0.84<m_a<1.00eV at 95% confidence level. It is the first result to search for the axion in the g-m_a parameter region of the preferred axion models with a magnetic helioscope.
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